Question

Atomicity of first 20 element s

Answer 1

Explanation:

Hydrogen(H2)- 2

Li - 1

Be - 1

B - has allotropes

C - 2,4

N2 - 2

O2 - 2

F2 - 2

Ne - 1

Na - 1

Mg - 1

Al - 1

Si - network lattice

P4 - 4

S8 - 8

Cl2 - 2

Ar - 1

K - 1

Ca - 1

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